borgbackup/borg

can we reasonably enable more warnings?

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#9,140 opened on Nov 3, 2025

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help wantedsecurity

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Description

One nice to have item from https://www.bestpractices.dev/en/projects/271 (warnings_strict) would be to enable more warnings.

What can we do on the Python, Cython, C level?

Contributor guide

Research direction
Review the current warning flags used in setup.py and build scripts for Python, Cython, and C, then propose additional warnings that can be enabled without breaking the build. Check the bestpractices.dev criteria for warnings strict.
Tech stack
pythonc
Domain
cli
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
PythonC
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65